Merlin Entertainments, which owns Madame Tussauds, Alton Towers, Legoland and a host of other attractions, floated last November at 315p.

The sellers were also private equity firms, but Midas recommended buying stock and, reassuringly, the shares have since risen by almost 8 per cent to 3391⁄4p.

Last week, the company issued an upbeat trading statement, saying underlying sales rose 12 per cent in the first 18 weeks of 2014.

Upside: Merlin has risen 13 per cent since its debut

Though this pace of growth is unlikely to continue, City brokers are optimistic about the stock, suggesting the price should rise to at least 400p over the next year.

The company owns 99 attractions in 22 countries, including America, China and Australia. The recently released Lego film has boosted visits at Legoland parks from Chicago to Tokyo and reasonable weather in Europe so far this year has also boosted Merlin’s sales.